EASY
JEE Main/Advanced
IMPORTANT
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If a variable circle touches externally two given circles, then the locus of the centre of the variable circle is _____

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Important Questions on Circle
EASY
JEE Main/Advanced
IMPORTANT
If point is called a lattice point if . Then the total number of lattice point in the interior of the circle is of the form

HARD
JEE Main/Advanced
IMPORTANT
A square is inscribed in the circle One side of the square is parallel to , then the vertex of the square is:

EASY
JEE Main/Advanced
IMPORTANT
If a chord of the circle makes equal intercepts of length on the co-ordinate axes, then ______

EASY
JEE Main/Advanced
IMPORTANT
The values of for which the circle dwindles into a point are _____

HARD
JEE Main/Advanced
IMPORTANT
The radical centre of three circles described on the three sides of a triangle as diameter is_____

EASY
JEE Main/Advanced
IMPORTANT
Origin is a limiting point of co-axial system of which is a member. The other limiting point is _____

EASY
JEE Main/Advanced
IMPORTANT
If is an interior point of the circle and the circle neither cuts nor touches any one of the axes of co-ordinates, then .

HARD
JEE Main/Advanced
IMPORTANT
Let be the equation of a circle. If has equal roots and has roots then the centre of the circle is
